What is microgray (unit)

Microgray is a radiation absorbed dose measurement unit

Microgray is a derived metric (SI) measurement unit of absorbed radiation dose of ionizing radiation, e.g. X-rays. The SI prefix micro stands for one millionth. The microgray is equal to one millionth of a gray (10-6Gy), and the gray is defined as the absorption of one joule of ionizing radiation by one kilogram (1 J/kg) of matter, e.g. human tissue.ORT?

Foods, Nutrients and Calories

Gravels and Substrates

CaribSea, Marine, Aragonite, Aragamax Selectdensity is equal to 1441.7 kg/m³ or 90.002 lb/ft³ with specific gravity of 1.4417 relative to pure water. Calculate how much of this gravel is required to attain a specific depth in a cylinder, quarter cylinder or in a rectangular shaped aquarium or pond